unKover

unKover Uncover what's forbidden. 403 bypass tester by Brute Logic. Part of the King of Noobs suite — offensive recon tools built on KISS and the Pareto principle. Simple, fast, and effective. What It Does unKover tests a URL returning 403 Forbidden or 401 Unauthorized against a set of proven...

EUVD-2026-63423

Monkeytype is a minimalistic and customizable typing test. In 26.26.0 and earlier, the backend rate-limit key generator in backend/src/middlewares/rate-limit.ts uses client-controlled cf-connecting-ip and x-forwarded-for headers before the trust-proxy-derived req.ip value. An unauthenticated...

CVE-2026-64619

FileCodeBox before 2.4 contains a rate-limit bypass vulnerability in the IPRateLimit class that allows unauthenticated attackers to circumvent request throttling by supplying attacker-controlled X-Real-IP and X-Forwarded-For headers without verification of trusted reverse proxy origin. Attackers...

Use of Less Trusted Source

Overview Affected versions of this package are vulnerable to Use of Less Trusted Source via the realIP function. An attacker can bypass IP-based access controls, rate limiting, and audit logging by sending crafted headers such as X-Forwarded-For, X-Real-IP, or True-Client-IP without validation...

User Impersonation

Overview Affected versions of this package are vulnerable to User Impersonation due to the reliance on client-supplied IP address headers such as X-Forwarded-For, X-Real-IP, and True-Client-IP. An attacker can circumvent per-IP rate limiting by supplying arbitrary values in these headers, causing...

CVE-2026-46356

Fleet is open source device management software. Prior to version 4.80.1, a vulnerability in Fleet's IP extraction logic allows unauthenticated attackers to bypass API rate limiting by spoofing client IP headers. This may allow brute-force login attempts or other abuse against Fleet instances...

Vikunja has a Rate-Limit Bypass for Unauthenticated Users via Spoofed Headers

Summary Unauthenticated users are able to bypass the application's built-in rate-limits by spoofing the X-Forwarded-For or X-Real-IP headers due to the rate-limit relying on the value of echo.Context.RealIP. Details In the first file below, the rate-limit for unauthenticated users can be observed...

CVE-2025-12094

The OOPSpam Anti-Spam: Spam Protection for WordPress Forms & Comments No CAPTCHA plugin for WordPress is vulnerable to IP Header Spoofing in all versions up to, and including, 1.2.53. This is due to the plugin trusting client-controlled forwarded headers such as CF-Connecting-IP, X-Forwarded-For,...

EUVD-2025-37313

The OOPSpam Anti-Spam: Spam Protection for WordPress Forms & Comments No CAPTCHA plugin for WordPress is vulnerable to IP Header Spoofing in all versions up to, and including, 1.2.53. This is due to the plugin trusting client-controlled forwarded headers such as CF-Connecting-IP, X-Forwarded-For,...

CVE-2025-12094: Protection Mechanism Failure

The OOPSpam Anti-Spam: Spam Protection for WordPress Forms & Comments No CAPTCHA plugin for WordPress is vulnerable to IP Header Spoofing in all versions up to, and including, 1.2.53. This is due to the plugin trusting client-controlled forwarded headers such as CF-Connecting-IP, X-Forwarded-For,...

PT-2023-25576

Name of the Vulnerable Software and Affected Versions authentik versions prior to 2023.4.3 and 2023.5.5 Description The issue concerns the lack of verification of the source of the X-Forwarded-For and X-Real-IP headers in authentik, an open-source Identity Provider. This poses a security risk whe...

CVE-2022-4303: Authentication Bypass by Spoofing

The WP Limit Login Attempts WordPress plugin through 2.6.4 prioritizes getting a visitor's IP from certain HTTP headers over PHP's REMOTEADDR, which makes it possible to bypass IP-based restrictions on login forms...

CVE-2022-1165

The Blackhole for Bad Bots WordPress plugin before 3.3.2 uses headers such as CF-CONNECTING-IP, CLIENT-IP etc to determine the IP address of requests hitting the blackhole URL, which allows them to be spoofed. This could result in blocking arbitrary IP addresses, such as legitimate/good search...

WordPress 插件 SQL注入漏洞

WordPress Plugin is an open source application plugin for WordPress. The WordPress plugin suffers from a SQL injection vulnerability that stems from the hmwp get user ip function attempting to retrieve an ip address from multiple headers, including ip address headers that the user can spoof, such...